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Hobby Circuits designed by Dave Johnson

Last Updated on: Friday, June 04, 2021 06:51 AM

List of Hobby Circuit Designs

Text & Graphics Copyright David A. Johnson, PE  --  ALL Rights Reserved.
LINK to Dave's circuit, but DO NOT COPY CONTENT to your WEB SITE server!

 Current to Voltage Converters Circuits
Circuits designed by David Johnson, P.E. :

Laser Burst Light Detector

Laser Light Detyector-10Mhz to 20Mhz

Light Detector

Light Monitor Circuit

Light Output Intensity Meter

Light Receiver Front-End Circuit

Light Receiver-10MHz to 20MHz

Modulated Light Receiver Front-End Circuit

Modulated Light Receiver uses a Single IC

Operation of Cascode Light Receivers

Optical Fiber Receiver-5Mhz Broad Band

RFID Test Circuit

Xenon Flash Receiver-AIR Transparancy Monitor

Xenon Flash Receiver-Pg2

Xenon Flash Transmitter-AIR Transparency Monitor

1Khz to Over 70Mhz Light Receiver

1us Light Pulse Receiver

2Mhz Broad Band Optical Fiber Receiver

Broad Band 50Mhz Optical Fiber Receiver Version A

Detects Xenon Lamp Flash

Front-End Circuit-Modulated Light Receiver

High Speed Light Detector from FET Input

Highly Stable Lower Power Oscillator

Improve Response Time of a Photo Transistor Circuit


Hobby Circuits by Category

Dave's Circuits

eMail:  David A. Johnson, P.E. about these circuits


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Imagineering Ezine Dave Johnson, P.E. Faraday Touch Switches

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